50153234221 has 2 divisors, whose sum is σ = 50153234222. Its totient is φ = 50153234220.

The previous prime is 50153234191. The next prime is 50153234227. The reversal of 50153234221 is 12243235105.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49902645321 + 250588900 = 223389^2 + 15830^2 .

It is a cyclic number.

It is not a de Polignac number, because 50153234221 - 2⁵ = 50153234189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50153234221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50153234227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25076617110 + 25076617111.

It is an arithmetic number, because the mean of its divisors is an integer number (25076617111).

Almost surely, 2^50153234221 is an apocalyptic number.

It is an amenable number.

50153234221 is a deficient number, since it is larger than the sum of its proper divisors (1).

50153234221 is an equidigital number, since it uses as much as digits as its factorization.

50153234221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 50153234221 its reverse (12243235105), we get a palindrome (62396469326).

The spelling of 50153234221 in words is "fifty billion, one hundred fifty-three million, two hundred thirty-four thousand, two hundred twenty-one".